<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="css/index.css">
</head>
<body>
<div id="root">
    <div id="box">
        <!--左-->
        <div id="left">
            <div class="box-line">
                <div class="box-border">
                    <div class="box-line">
                        <div class="options-box">
                            <p class="option">选项1</p>
                            <p class="option">选项2</p>
                            <p class="option">选项3</p>
                            <p class="option">选项4</p>
                            <p class="option">选项5</p>
                            <p class="option">选项6</p>
                            <p class="option">选项7</p>
                        </div>
                    </div>
                </div>
            </div>
            <div class="buttons-box">
                <button id="add-selected" class="button">选中添加到右边 &gt;&gt;</button>
                <button id="add-all" class="button">全部添加到右边 &gt;&gt;</button>
            </div>
        </div>
        <!--右-->
        <div id="right">
            <div class="box-line">
                <div class="box-border">
                    <div class="box-line">
                        <div class="options-box">
                            <p class="option">选项8</p>
                            <p class="option">选项9</p>
                        </div>
                    </div>
                </div>
            </div>
            <div class="buttons-box">
                <button id="remove-selected" class="button">&lt;&lt; 选中删除到左边</button>
                <button id="remove-all" class="button">&lt;&lt; 全部删除到左边</button>
            </div>
        </div>
    </div>
</div>
<script src="https://code.jquery.com/jquery-3.5.1.js"></script>
<script src="js/index.js"></script>
</body>
</html>